Objective-See Foundation

LuLu is the free open-source macOS firewall

LuLu is a free, open-source firewall for Mac that lets you monitor and block which apps on your computer can connect to the internet or other networks.

BlockBlock provides continual protection by monitoring persistence locations.

Like AutoRuns ...but for macOS!

macOS Malware Collection

OverSight monitors a mac's mic and webcam, alerting the user when the internal mic is activated, or whenever a process accesses the webcam.

Process Monitor Library (based on Apple's new Endpoint Security Framework)

process info/monitoring library for macOS

File Monitor Library (based on Apple's new Endpoint Security Framework)

Network Monitor

WhatsYourSign adds a menu item to Finder.app. Simply right-, or control-click on any file to display its cryptographic signing information!

Malware and other applications may install persistent keyboard "event taps" to intercept your keystrokes. ReiKey can scan, detect, and monitor for such taps!

Detect Evil Maid Attacks

sniff mouse and keyboard events

A DNS Monitor, leveraging Apple's NEDNSProxyProvider/Network Extension Framework

View and remove notification messages from Apple's "Notification Database"

And open-source version of % sfltool dumpbtm

Visually explore all running tasks (processes) ....viewing its signature status, loaded dylibs, open files, network connection, and much more.

Scan your computer for applications that are either susceptible to dylib hijacking or have been hijacked.

Generic ransomware detector

View all modules on that are loaded in the OS kernel

checks if an application is pristine (untampered) and from the official Mac App Store

The Art of Mac Malware

example project, utilizing Proc Info library

Official Black Hat Arsenal Security Tools Repository

No description.

A (basic) Mach-O Library

Audits and remediates security configuration settings (El Capitan)

Objective-See's Products

Blocks unsigned internet binaries from executing (El Capitan)